1864 Daedalus (1971 FA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6144457497 ± 9.02e-09
Semi-major axis (a)1.4608394399 AU ± 7.41e-10
Inclination (i)22.21687740° ± 1.11e-06
Long. of Asc. Node (Ω)6.59701837° ± 1.87e-06
Arg. of Perihelion (ω)325.66177542° ± 1.90e-06
Mean Anomaly (M)257.57085481° ± 1.82e-06
Mean Motion (n)0.5582240560°/day ± 4.25e-10
Perihelion dist (q)0.56323286 AU ± 1.32e-08
Aphelion dist (Q)2.35844602 AU ± 1.32e-08
Orbital Period1.76564638 yr ± 1.34e-09
Physical Parameters
H (abs. magnitude)14.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.269202 AU
Observations Used6128
Radar Obs Used1
Gaia Obs Used126
Oppositions20
Arc Total1971-2026
First Observation Used1971-03-24
Last Observation Used2026-04-04
Observations (7777)
Date Type RA Dec Mag Band Observatory
2025-02-02 05:33:24 C 08 36 30.164 +56 58 45.16 V 703
2025-02-02 05:36:34 C 08 36 29.718 +56 58 43.64 V 703
2025-02-02 05:39:44 C 08 36 29.228 +56 58 43.46 V 703
2025-02-03 10:09:57 C 08 32 30.713 +56 48 29.02 V T08
2025-02-03 10:57:20 C 08 32 24.038 +56 48 10.58 V T08
2025-02-03 11:01:59 C 08 32 23.376 +56 48 09.00 V T08
2025-02-03 11:42:41 C 08 32 17.652 +56 47 53.30 V T08
2025-02-04 06:41:42 C 08 29 44.549 +56 40 24.96 V T08
2025-02-04 06:50:20 C 08 29 43.354 +56 40 21.61 V T08
2025-02-04 07:02:50 C 08 29 41.647 +56 40 16.97 V T08
2025-02-04 20:11:41 B 08 27 56.654 +56 34 49.08 W G34
2025-02-04 20:14:02 B 08 27 56.357 +56 34 47.86 W G34
2025-02-04 20:16:23 B 08 27 56.045 +56 34 46.92 W G34
2025-02-04 20:18:44 B 08 27 55.762 +56 34 45.55 W G34
2025-02-04 20:25:28 B 08 27 54.840 +56 34 43.46 W G34
2025-02-05 06:36:08 C 08 26 35.316 +56 30 25.74 V T05
2025-02-05 06:43:59 C 08 26 34.262 +56 30 22.25 V T05
2025-02-05 06:51:33 C 08 26 33.262 +56 30 19.30 V T05
2025-02-05 18:19:03 B 08 25 04.651 +56 25 14.48 V 160
2025-02-05 18:25:18 B 08 25 03.703 +56 25 11.60 V 160
2025-02-05 18:31:38 B 08 25 02.923 +56 25 09.19 V 160
2025-02-06 04:05:33 C 08 23 49.859 +56 20 54.10 V 703
2025-02-06 04:08:43 C 08 23 49.470 +56 20 53.09 V 703
2025-02-06 04:11:54 C 08 23 49.024 +56 20 50.50 V 703
2025-02-06 04:15:04 C 08 23 48.635 +56 20 49.27 V 703
2025-02-07 04:51:04 C 08 20 45.200 +56 09 18.68 V G96
2025-02-07 04:59:22 C 08 20 44.164 +56 09 14.76 V G96
2025-02-07 05:07:42 C 08 20 43.120 +56 09 10.80 V G96
2025-02-07 05:16:01 C 08 20 42.079 +56 09 06.88 V G96
2025-02-08 00:24:32 C 08 18 23.21 +55 59 38.9 V M31
2025-02-08 00:26:34 C 08 18 23.04 +55 59 38.0 V M31
2025-02-08 00:28:41 C 08 18 22.79 +55 59 36.6 V M31
2025-02-08 00:30:44 C 08 18 22.53 +55 59 36.0 V M31
2025-02-08 00:32:49 C 08 18 22.23 +55 59 34.5 V M31
2025-02-08 00:34:52 C 08 18 22.04 +55 59 33.6 V M31
2025-02-08 00:36:58 C 08 18 21.84 +55 59 33.1 V M31
2025-02-08 00:39:03 C 08 18 21.61 +55 59 32.2 V M31
2025-02-08 00:41:06 C 08 18 21.33 +55 59 30.4 V M31
2025-02-08 00:43:11 C 08 18 21.08 +55 59 29.3 V M31
2025-02-08 00:45:16 C 08 18 20.78 +55 59 28.3 V M31
2025-02-08 04:14:54 C 08 17 56.828 +55 57 46.98 V 703
2025-02-08 04:18:22 C 08 17 56.299 +55 57 45.58 V 703
2025-02-08 04:21:50 C 08 17 55.961 +55 57 43.52 V 703
2025-02-08 04:25:19 C 08 17 55.478 +55 57 41.94 V 703
2025-02-08 18:02:19 C 08 16 20.19 +55 50 42.2 X G02
2025-02-08 18:06:15 C 08 16 19.72 +55 50 39.8 X G02
2025-02-08 18:10:12 C 08 16 19.34 +55 50 37.8 X G02
2025-02-09 09:13:42 C 08 14 35.640 +55 42 48.92 V T05
2025-02-09 10:00:33 C 08 14 30.278 +55 42 24.98 V T05
2025-02-09 10:04:32 C 08 14 29.736 +55 42 23.18 V T05
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-25 18:18:00 332241055.93 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)